Federal contractor profile
UEI GAZZGS3YV389CAGE 41SP7Company website ↗
LOS ALAMOS NATIONAL SECURITY LLC is associated with UEI GAZZGS3YV389 and CAGE 41SP7 in public federal records. AcornBids currently links 1 prime award totaling $27.4B in obligations to this entity. Its largest recorded federal customer by obligations is Department of Energy. Its recorded federal awards include work classified as Facilities Support Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). Its public SAM.gov registration lists LOS ALAMOS, NM, USA.
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 17, 2026. Refresh pending; these totals may be out of date.
Public SAM.gov registration details.
Source facts
Net transaction obligations by federal fiscal period.
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Histories follow awards currently assigned to this recipient and may include transactions under an earlier recipient. Coverage: 1 of 1 selected awards. Select a period to explore its awards.
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| DEAC5206NA25396THE CONTRACTOR SHALL, IN ACCORDANCE WITH THE TERMS AND CONDITIONS OF THIS CONTRACT, PROVIDE THE PERSONNEL, EQUIPMENT, MATERIALS, SUPPLIES, AND SERVICES (EXCEPT AS MAY BE… | Department of Energy | $27.4B | Dec 21, 2005 | Oct 31, 2018 |
| Registration evidence | Date |
|---|---|
| SAM updated | Jun 26, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Jul 7, 2005 |
| Entity start | Jul 19, 2005 |
Registration classifications: Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | Not reported |
| 561210 — Facilities Support Services | Not reported |
| 811111 — General Automotive Repair | Not reported |
| 927110 — Space Research and Technology | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| RENEE TUCKER-STEMPKOWSKI | Government business | Contact method not published | SAM registration | Not available |
| CHRISTY SHORT | Alternate government business | Contact method not published | SAM registration | Not available |
| CHRISTY SHORT | Electronic business | Contact method not published | SAM registration | Not available |
| RENEE TUCKER-STEMPKOWSKI | Alternate electronic business | Contact method not published | SAM registration | Not available |
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Explore the customer, work and award-size evidence behind each match.
Recorded award industries: 561210 — Facilities Support Services.
Recorded products and services: M181 — Operation of Government-Owned Contractor-Operated (GOCO) R&D Facilities.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
SM 30 BIKINI ATOLL RD MSP, LOS ALAMOS, New Mexico 87545, United States
Registered location from SAM.gov; award performance locations may differ.
Primary SAM.gov NAICS classification.
Department of Energy.
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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